Dear list,
I am using 3.1M Release and use the new “from” CE: I invoke a DAO to determine
some values from Backend used in the rule:
rule ” At least 3 RFQs for material type 1”
when
$pr: PurchaseRequest(materialType == "1", currentStatus ==
PurchaseRequestStatus.PRE_APPROVE)
$dao : PurchaseRequestFacade()
$rfqs: Integer(intValue < 3) from $dao.getRFQsFor($pr)
then
blockedPRs.add($pr);
end
So far everything works great, but
unfortunately I need to have the rules in XML format: the XML Rules will be
modified via WEB-UI by Business-Users using XMLBeans API in the
WEB-Application. I like the DRL format more and write initially the rules first
in DRL and then use the XMLDumper-Class statically to generate the XML Version
of the rules. But while converting from DRL to XML, I get following error
message for the above rule when parsing "from" CE:
no visitor implementation for : class org.drools.lang.descr.FromDescr : [EMAIL
PROTECTED]
Is “from” CE not supported in XML format? I just need the above rule in XML,
but I don’t know how to write it? I also checked the XSD in the 3.1M release
jar distribution, but there is stil the old version of the XSD without the
"from" CE.
Alternatively if “from” is not supported yet in XML at all, is it a way to
formulate the above rule alternatively without “from” without changing the
application design too much?
Or is it a way to manage the rules and their design/parameters in LHS (read,
write, modify) in DRL-Format via API? This would be actually my favorite
solution :-) I read quickly over the planned Drools BRMS-Blog, But not sure If
I can use the BRMS to build a WEB Application on top of it for managing the
design of rules?
Many thanks in advance for your help,
Kioumars
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